[rpms/libmamba] rawhide: Update to 2.6.0 upstream release

[Orion Poplawski <orion@nwra.com>]

            A new commit has been pushed.

            Repo   : rpms/libmamba
            Branch : rawhide
            Commit : 64c79b320183dee3290baf66db589edaaf1405b2
            Author : Orion Poplawski <orion@nwra.com>
            Date   : 2026-06-18T11:06:17+00:00
            Stats  : +8/-30 in 7 file(s)
            URL    : https://src.fedoraproject.org/rpms/libmamba/c/64c79b320183dee3290baf66db589edaaf1405b2?branch=rawhide

            Log:
            Update to 2.6.0 upstream release

- Resolves: rhbz#2312187

Commit authored by Packit automation (https://packit.dev/)

---
diff --git a/.gitignore b/.gitignore
index e14a7ef..2fef366 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 /libmamba-2.3.3.tar.gz
 /libmamba-2.4.0.tar.gz
 /libmamba-2.5.0.tar.gz
+/libmamba-2.6.0.tar.gz

diff --git a/README.packit b/README.packit
new file mode 100644
index 0000000..af5832b
--- /dev/null
+++ b/README.packit
@@ -0,0 +1,3 @@
+This repository is maintained by packit.
+https://packit.dev/
+The file was generated using packit 1.16.0.

diff --git a/libmamba-export.patch b/libmamba-export.patch
deleted file mode 100644
index 89f8ee5..0000000
--- a/libmamba-export.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/libmamba-spdlog/CMakeLists.txt b/libmamba-spdlog/CMakeLists.txt
-index a6cf73a7..3de6cd22 100644
---- a/libmamba-spdlog/CMakeLists.txt
-+++ b/libmamba-spdlog/CMakeLists.txt
-@@ -103,6 +103,7 @@ install(
-     NAMESPACE mamba::
-     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
- )
-+export(EXPORT ${PROJECT_NAME}Targets NAMESPACE mamba::)
- 
- install(
-     FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Version.cmake"

diff --git a/libmamba-gcc16.patch b/libmamba-gcc16.patch
deleted file mode 100644
index 040f334..0000000
--- a/libmamba-gcc16.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/libmamba/include/mamba/util/random.hpp b/libmamba/include/mamba/util/random.hpp
-index 327b2864..046c05da 100644
---- a/libmamba/include/mamba/util/random.hpp
-+++ b/libmamba/include/mamba/util/random.hpp
-@@ -10,6 +10,7 @@
- #include <algorithm>
- #include <array>
- #include <cstring>
-+#include <functional>
- #include <limits>
- #include <random>
- #include <string>

diff --git a/libmamba.spec b/libmamba.spec
index fa72703..5edc5f3 100644
--- a/libmamba.spec
+++ b/libmamba.spec
@@ -2,7 +2,7 @@
 %bcond micromamba 0
 
 Name:           libmamba
-Version:        2.5.0
+Version:        2.6.0
 Release:        %autorelease
 Summary:        C++ API for mamba depsolving library
 
@@ -12,10 +12,6 @@ Source0:        https://github.com/mamba-org/mamba/archive/%{version}/%{name}-%{
 # Use Fedora versions of zstd
 # Install into /etc/profile.d
 Patch:          libmamba-fedora.patch
-# Fix for gcc 16 - https://github.com/mamba-org/mamba/pull/4132
-Patch:          libmamba-gcc16.patch
-# Fix build wih libmamba-spdlog - https://github.com/mamba-org/mamba/pull/4172
-Patch:          libmamba-export.patch
 
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
@@ -27,6 +23,7 @@ BuildRequires:  libarchive-devel
 BuildRequires:  libcurl-devel
 # Need CONDA_ADD_USE_ONLY_TAR_BZ2
 BuildRequires:  libsolv-devel
+BuildRequires:  cmake(msgpack-c)
 BuildRequires:  openssl-devel
 BuildRequires:  reproc-devel
 BuildRequires:  cmake(simdjson)

diff --git a/mamba b/mamba
new file mode 160000
index 0000000..ff6a2a0
--- /dev/null
+++ b/mamba
@@ -0,0 +1 @@
+Subproject commit ff6a2a049097fea64f4f7e01543f490a3aa45a79

diff --git a/sources b/sources
index b1ddb67..705f5d1 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libmamba-2.5.0.tar.gz) = 3deb0eef480aa011e9095ba5d2ab3d22539464df34aa98540ac9a7855d23aa9daa484ed77cee6e98a79bad2c96591fe37e3c1957c435c4fafec9e6ddc9c2019b
+SHA512 (libmamba-2.6.0.tar.gz) = 1e975732168fc3bcf3e3c662e5bbac37a006e6e25366f5bcb91a03fd26b8fae0ea645ce911571f665e5ffa268e6620f8f9d6cd9efdaf70ac1b044b766ff19db0